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Finding the Fourth Proportional to 14,765.31, 22,151.22 and 4,377.87

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Solution

The fourth proportional to 14,765.31, 22,151.22 and 4,377.87 is: 6,567.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,765.31 : 22,151.22 = 4,377.87 : x
  2. Step 2: Convert to fraction form
    14,765.31/22,151.22 = 4,377.87/x
  3. Step 3: Cross multiply
    14,765.31x = 22,151.22 × 4,377.87
  4. Step 4: Simplify right side
    14,765.31x = 96,975,161.50
  5. Step 5: Solve for x
    x = 96,975,161.50/14,765.31
  6. Step 6: Final answer
    x = 6,567.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.